many instances involving the local security guard force that we were training there. constantly there was battles going on between militias. >> reporter: wood met daily with ambassador christopher stevens to discuss security. was he concerned about security? >> he was. he was constantly concerned about the threats to not just himself, but the entire staff there. >> reporter: was there what you saw as a visible security drawdown during the period of time you were in libya? >> yes. and it began just shortly after i arrived. there was pressure to reduce the number of security people there. >> reporter: pressure from where? >> higher headquarters at state department. >> reporter: over six months leading up to the attack on ambassador stevens, woods says the security situation in libya deteriorated. there were 13 threats or attacks in tripoli and benghazi. wood says ambassador stevens and his staff made the case for tightened security in e-mails and diplomatic cables, but one by one, lost three state department security teams, their only airplane and eventually woods' squa